| Ottumwa to Nordwalde | 4,423.42 mi (7,118.81 km) |
| Ottumwa to Northeim | 4,526.22 mi (7,284.25 km) |
| Ottumwa to Norvenich | 4,443.63 mi (7,151.33 km) |
| Ottumwa to Nossen | 4,667.07 mi (7,510.93 km) |
| Ottumwa to Nottuln | 4,424.92 mi (7,121.23 km) |
| Ottumwa to Numbrecht | 4,471.59 mi (7,196.33 km) |
| Ottumwa to Nuremberg | 4,657.04 mi (7,494.78 km) |
| Ottumwa to Nurtingen | 4,628.07 mi (7,448.16 km) |
| Ottumwa to Nussloch | 4,576.46 mi (7,365.10 km) |
| Ottumwa to Ober-Ramstadt | 4,557.83 mi (7,335.12 km) |
| Ottumwa to Oberasbach | 4,654.12 mi (7,490.09 km) |
| Ottumwa to Oberderdingen | 4,591.03 mi (7,388.54 km) |
| Ottumwa to Oberhaching | 4,736.07 mi (7,621.96 km) |
| Ottumwa to Oberhausen | 4,424.51 mi (7,120.56 km) |
| Ottumwa to Oberhausen-Rheinhausen | 4,571.40 mi (7,356.95 km) |
